function showNaviInfo(elementItem)
	{
	if(document.getElementById(elementItem).style.display=='none')
		{
		document.getElementById(elementItem).style.display='';
		}
		else 
		{
		document.getElementById(elementItem).style.display='none';
		}
	}
	
function showNews(no)
{
	var n = "news"+no; //news1
	var nl = "news"+no+"_link"; //news1_link
		
	var news = document.getElementById(n); //news1
	var link = document.getElementById(nl); //news1_link
	
	if(news.style.display == 'block')
    {
    	news.style.display = 'none';
        link.style.display = 'block';
    }
    else {
        news.style.display = 'block';
        link.style.display = 'block';
        
        for (var i = 1; i < 6; ++i) {
			if( i != no ) {
				var hide = document.getElementById("news"+i);
				var hidelink = document.getElementById("news"+i+"_link");
				hide.style.display = 'none';
    	    	hidelink.style.display = 'block';
    	    }
		}
	}
}